Add support for PI1.2.1 TempRam Done PPI.

Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14847 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 28 insertions, 6 deletions

diff --git a/MdeModulePkg/Core/Pei/PeiMain/PeiMain.c b/MdeModulePkg/Core/Pei/PeiMain/PeiMain.c
index bf000229aa..6429ad3a21 100644
--- a/MdeModulePkg/Core/Pei/PeiMain/PeiMain.c
+++ b/MdeModulePkg/Core/Pei/PeiMain/PeiMain.c
@@ -120,7 +120,7 @@ ShadowPeiCore (
   from SEC to PEI. After switching stack in the PEI core, it will restart

   with the old core data.

 

-  @param SecCoreData     Points to a data structure containing information about the PEI core's operating

+  @param SecCoreDataPtr  Points to a data structure containing information about the PEI core's operating

                          environment, such as the size and location of temporary RAM, the stack location and

                          the BFV location.

   @param PpiList         Points to a list of one or more PPI descriptors to be installed initially by the PEI core.

@@ -137,23 +137,27 @@ ShadowPeiCore (
 VOID

 EFIAPI

 PeiCore (

-  IN CONST EFI_SEC_PEI_HAND_OFF        *SecCoreData,

+  IN CONST EFI_SEC_PEI_HAND_OFF        *SecCoreDataPtr,

   IN CONST EFI_PEI_PPI_DESCRIPTOR      *PpiList,

   IN VOID                              *Data

   )

 {

   PEI_CORE_INSTANCE           PrivateData;

+  EFI_SEC_PEI_HAND_OFF        *SecCoreData;

+  EFI_SEC_PEI_HAND_OFF        NewSecCoreData;

   EFI_STATUS                  Status;

   PEI_CORE_TEMP_POINTERS      TempPtr;

   PEI_CORE_INSTANCE           *OldCoreData;

   EFI_PEI_CPU_IO_PPI          *CpuIo;

   EFI_PEI_PCI_CFG2_PPI        *PciCfg;

   EFI_HOB_HANDOFF_INFO_TABLE  *HandoffInformationTable;

-

+  EFI_PEI_TEMPORARY_RAM_DONE_PPI *TemporaryRamDonePpi;

+  

   //

   // Retrieve context passed into PEI Core

   //

-  OldCoreData = (PEI_CORE_INSTANCE *)Data;

+  OldCoreData = (PEI_CORE_INSTANCE *) Data;

+  SecCoreData = (EFI_SEC_PEI_HAND_OFF *) SecCoreDataPtr;

 

   //

   // Perform PEI Core phase specific actions.

@@ -250,9 +254,11 @@ PeiCore (
     //

     // Memory is available to the PEI Core and the PEI Core has been shadowed to memory.

     //

-    

+    CopyMem (&NewSecCoreData, SecCoreDataPtr, sizeof (NewSecCoreData));

+    SecCoreData = &NewSecCoreData;

+

     CopyMem (&PrivateData, OldCoreData, sizeof (PrivateData));

-    

+

     CpuIo = (VOID*)PrivateData.ServiceTableShadow.CpuIo;

     PciCfg = (VOID*)PrivateData.ServiceTableShadow.PciCfg;

     

@@ -329,6 +335,22 @@ PeiCore (
     }

   } else {

     //

+    // Try to locate Temporary RAM Done Ppi.

+    //

+    Status = PeiServicesLocatePpi (

+               &gEfiTemporaryRamDonePpiGuid,

+               0,

+               NULL,

+               (VOID**)&TemporaryRamDonePpi

+               );

+    if (!EFI_ERROR (Status)) {

+      //

+      // Disable the use of Temporary RAM after the transition from Temporary RAM to Permanent RAM is complete.

+      //

+      TemporaryRamDonePpi->TemporaryRamDone ();

+    }

+

+    //

     // Alert any listeners that there is permanent memory available

     //

     PERF_START (NULL,"DisMem", NULL, 0);